|
| US4190981 | 23 Ago 1978 | 4 Mar 1980 | | Mat for growing lawns or other vegetation |
| US4241537 | 10 May 1979 | 30 Dic 1980 | W. R. Grace & Co. | Plant growth media utilizing polyurethane hydrogel |
| US4309844 | 14 Ene 1980 | 12 Ene 1982 | Caligen Foam Limited | Production of artificial growing mediums |
| US4357780 | 17 Jul 1980 | 9 Nov 1982 | | Fibrous web for planting seeds, method of using same, apparatus for producing same |
| US4414776 | 29 Mar 1982 | 15 Nov 1983 | | Fibrous web for planting seeds, method of using same, apparatus for producing same |
| US4888225 | 3 Jun 1988 | 19 Dic 1989 | Minnesota Mining and Manufacturing Company | Resin-impregnated foam materials and methods |
| US4946726 | 18 Feb 1987 | 7 Ago 1990 | Minnesota Mining and Manufacturing Company | Orthopedic splinting articles and methods |
| US5002047 | 4 Sep 1987 | 26 Mar 1991 | Minnesota Mining and Manufacturing Company | Orthotic pads and methods |
| US5064653 | 29 Mar 1988 | 12 Nov 1991 | Ferris Mfg. Co. | Hydrophilic foam compositions |
| US5065752 | 28 May 1991 | 19 Nov 1991 | Ferris Mfg. Co. | Hydrophilic foam compositions |
| US5195945 | 25 Mar 1991 | 23 Mar 1993 | Minnesota Mining and Manufacturing Company | Orthotic pads and methods |
| US5203764 | 27 Nov 1991 | 20 Abr 1993 | Minnesota Mining and Manufacturing Company | Foam pads useful in wound management |
| US5226255 | 27 Nov 1990 | 13 Jul 1993 | Grass Ventures, Ltd. | Plant mat and method |
| US5650450 | 25 Ene 1996 | 22 Jul 1997 | Foamex L.P. | Hydrophilic urethane foam |
| US5916928 | 5 Jun 1995 | 29 Jun 1999 | Ferris Corporation | Polymer-based porous foam |
| US6029395 | 5 Ene 1998 | 29 Feb 2000 | | Biodegradable mulch mat |
| US6135672 | 16 Jun 1997 | 24 Oct 2000 | Jimboomba Turf Company Pty. Limited | Method of and turf product for erosion control |
| US6233867 | 27 Jul 1999 | 22 May 2001 | | Landscape control fabric with mucilage |
| US6293045 | 5 Nov 1999 | 25 Sep 2001 | | Biodegradable mulch mat |
| US7059083 | 12 Feb 2004 | 13 Jun 2006 | Gp Cellulose, LLC | Seedbed for growing vegetation |
| US7921597 | 10 Ago 2006 | 12 Abr 2011 | | Flower stem bag wrap with outer plastic covering |
